Home / 50,557.50-75,835.98-13,117.55

Finding the Fourth Proportional to 50,557.50, 75,835.98 and 13,117.55

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Solution

The fourth proportional to 50,557.50, 75,835.98 and 13,117.55 is: 19,676.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,557.50 : 75,835.98 = 13,117.55 : x
  2. Step 2: Convert to fraction form
    50,557.50/75,835.98 = 13,117.55/x
  3. Step 3: Cross multiply
    50,557.50x = 75,835.98 × 13,117.55
  4. Step 4: Simplify right side
    50,557.50x = 994,781,880.27
  5. Step 5: Solve for x
    x = 994,781,880.27/50,557.50
  6. Step 6: Final answer
    x = 19,676.25

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.